Texas Instruments

LM431ACMX

LM431ACMX Description

The LM431ACMX is a precision shunt voltage reference IC designed by Texas Instruments. This device is part of the Voltage References category and offers an adjustable output voltage with a wide range from 2.495V to 37V. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format, making it suitable for surface-mount applications. The LM431ACMX is known for its high accuracy and stability, with a tolerance of ±2.2% and a typical temperature coefficient of 50ppm/°C. It is capable of handling a maximum cathode current of 1mA and an output current of up to 100mA. The operating temperature range is from 0°C to 70°C, ensuring reliable performance in various environmental conditions. Despite its obsolescence status, the LM431ACMX remains unaffected by REACH regulations and is classified under ECCN EAR99 and HTSUS 8542.39.0001. The device is available in tape and reel packaging, facilitating efficient handling and assembly processes.

LM431ACMX Features

• Adjustable Output Voltage: The LM431ACMX provides a wide adjustable output voltage range from 2.495V to 37V, making it highly versatile for various applications requiring precise voltage regulation.
• High Accuracy and Stability: With a tolerance of ±2.2% and a typical temperature coefficient of 50ppm/°C, the LM431ACMX ensures high accuracy and stability in voltage references, crucial for precision circuits.
• Surface-Mount Compatibility: Packaged in an 8-pin SOIC format, the LM431ACMX is designed for surface-mount applications, offering space-saving and reliable mounting options for modern electronic designs.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.
• Moisture Sensitivity Level 1: With an MSL rating of 1 (unlimited), the LM431ACMX is highly resistant to moisture, ensuring robust performance in humid environments.
• Compliance and Packaging: The LM431ACMX is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations. It is available in tape and reel packaging, facilitating efficient handling and assembly processes.

LM431ACMX Applications

The LM431ACMX is ideal for applications requiring precise voltage regulation and reference. Its adjustable output voltage and high accuracy make it suitable for a wide range of electronic systems, including:

• Power Supplies: Used in adjustable power supplies to provide stable reference voltages for accurate voltage regulation.
• Battery Chargers: Ensures precise voltage control for efficient and safe battery charging processes.
• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, enhancing the accuracy of digital signal processing.
• Digital-to-Analog Converters (DACs): Offers a reliable reference voltage for DACs, ensuring accurate analog signal generation.
• Precision Measurement Equipment: Utilized in devices requiring high-precision voltage references for accurate measurements and calibrations.

Conclusion of LM431ACMX

The LM431ACMX from Texas Instruments is a versatile and reliable shunt voltage reference IC, offering adjustable output voltage, high accuracy, and stability. Its surface-mount compatibility and wide operating temperature range make it suitable for various applications, from power supplies to precision measurement equipment. Despite its obsolescence status, the LM431ACMX remains a valuable component for engineers and designers seeking precise voltage regulation in their electronic systems.